200212221947 has 2 divisors, whose sum is σ = 200212221948. Its totient is φ = 200212221946.

The previous prime is 200212221943. The next prime is 200212221961. The reversal of 200212221947 is 749122212002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200212221947 - 2² = 200212221943 is a prime.

It is not a weakly prime, because it can be changed into another prime (200212221943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100106110973 + 100106110974.

It is an arithmetic number, because the mean of its divisors is an integer number (100106110974).

Almost surely, 2^200212221947 is an apocalyptic number.

200212221947 is a deficient number, since it is larger than the sum of its proper divisors (1).

200212221947 is an equidigital number, since it uses as much as digits as its factorization.

200212221947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 200212221947 its reverse (749122212002), we get a palindrome (949334433949).

The spelling of 200212221947 in words is "two hundred billion, two hundred twelve million, two hundred twenty-one thousand, nine hundred forty-seven".